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FältnamnIndikatorerMetadata
00004360naa a2200457 4500
001oai:DiVA.org:liu-123848
003SwePub
008160111s2015 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1238482 URI
024a https://doi.org/10.5194/bg-12-7013-20152 DOI
040 a (SwePub)liu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Lorke, A.u University of Koblenz Landau, Germany4 aut
2451 0a Technical note: drifting versus anchored flux chambers for measuring greenhouse gas emissions from running waters
264 c 2015-12-07
264 1b COPERNICUS GESELLSCHAFT MBH,c 2015
338 a electronic2 rdacarrier
500 a Funding Agencies|German Research Foundation [LO 1150/9-1]; Leibniz Association within the Joint Initiative for Research and Innovation (BMBF); Erasmus Mundus program of the European Union; Swiss National Science Foundation [PA00P2_142041]; IGB cross-cutting research domain "Aquatic Boundaries and Linkages"; German Academic Exchange Service (DAAD) (Sustainable water management Program (NAWAM)) [A/12/91768]
520 a Stream networks have recently been discovered to be major but poorly constrained natural greenhouse gas (GHG) sources. A fundamental problem is that several measurement approaches have been used without cross-comparisons. Flux chambers represent a potentially powerful methodological approach if robust and reliable ways to use chambers on running water can be defined. Here we compare the use of anchored and freely drifting chambers on various streams with different flow velocities. The study clearly shows that (1) anchored chambers enhance turbulence under the chambers and thus elevate fluxes, (2) drifting chambers have a very small impact on the water turbulence under the chamber and thus generate more reliable fluxes, (3) the bias of the anchored chambers greatly depends on chamber design and sampling conditions, and (4) there is a promising method to reduce the bias from anchored chambers by using a flexible plastic foil collar to seal the chambers to the water surface, rather than having rigid chamber walls penetrating into the water. Altogether, these results provide novel guidance on how to apply flux chambers in running water, which will have important consequences for measurements to constrain the global GHG balances.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng
700a Bodmer, P.u Leibniz Institute Freshwater Ecol and Inland Fisheries, Germany; Free University of Berlin, Germany4 aut
700a Noss, C.u University of Koblenz Landau, Germany4 aut
700a Alshboul, Z.u University of Koblenz Landau, Germany4 aut
700a Koschorreck, M.u UFZ Helmholtz Centre Environm Research, Germany4 aut
700a Somlai-Haase, C.u University of Koblenz Landau, Germany4 aut
700a Bastviken, Davidu Linköpings universitet,Tema Miljöförändring,Filosofiska fakulteten4 aut0 (Swepub:liu)davba48
700a Flury, S.u Leibniz Institute Freshwater Ecol and Inland Fisheries, Germany4 aut
700a McGinnis, D. F.u Leibniz Institute Freshwater Ecol and Inland Fisheries, Germany; University of Geneva, Switzerland4 aut
700a Maeck, A.u Senect GmbH and Co KG, Germany4 aut
700a Mueller, D.u Institute Environm Phys IUP, Germany; Centre Trop Marine Ecol ZMT, Germany4 aut
700a Premke, K.u Leibniz Institute Freshwater Ecol and Inland Fisheries, Germany; Leibniz Centre Agriculture Landscape Research, Germany4 aut
710a University of Koblenz Landau, Germanyb Leibniz Institute Freshwater Ecol and Inland Fisheries, Germany; Free University of Berlin, Germany4 org
773t Biogeosciencesd : COPERNICUS GESELLSCHAFT MBHg 12:23, s. 7013-7024q 12:23<7013-7024x 1726-4170x 1726-4189
856u https://liu.diva-portal.org/smash/get/diva2:892838/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856u https://www.biogeosciences.net/12/7013/2015/bg-12-7013-2015.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-123848
8564 8u https://doi.org/10.5194/bg-12-7013-2015

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